HBM Holdings Limited — Proxy Solicitation & Information Statement 2025

Apr 24, 2025

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

HARBOUR

BIOMED

和鉑醫藥控股有限公司

HBM Holdings Limited

(incorporated in the Cayman Islands with limited liability)

(Stock Code: 02142)

CLARIFICATION ANNOUNCEMENT IN RELATION TO FORM OF PROXY FOR USE AT ANNUAL GENERAL MEETING TO BE HELD ON 11 JUNE 2025

Reference is made to the form of proxy (the "Original Proxy Form") for use at annual general meeting to be held on 11 June 2025 (the "AGM") of HBM Holdings Limited (the "Company", together with its subsidiaries, the "Group"). Unless otherwise defined, capitalised terms used herein has the same meaning as those defined in the Original Proxy Form.

Due to inadvertent clerical and translation errors, the Company would like to clarify that ordinary resolution numbered 3. as set out in the English version of the Original Proxy Form should be read as "To re-elect Dr. Xiaoping Ye as an independent non-executive director of the Company".

Except as disclosed above, all the other information contained in the English and Chinese versions of the Original Proxy Form remain unchanged. This clarification announcement is supplemental to and should be read in conjunction with the Original Proxy Form.

In order to facilitate the shareholders of the Company (the "Shareholders") to vote on the ordinary resolution numbered 3. as set out in the Original Proxy Form, the Company has revised the Original Proxy Form. The revised form of proxy (the "Revised Proxy Form") has been published on the Company's website at www.harbourbiomed.com and the website of the Stock Exchange at www.hkexnews.hk on 24 April 2025.

Shareholders who use the form of proxy must pay attention to the following:

(1) If Shareholders have correctly completed and duly returned the Original Proxy Form, it will be deemed as the valid proxy form returned by the Shareholders. Under such circumstances, the Shareholders are not required to return the Revised Proxy Form. The proxy of the Shareholder will be entitled to vote in accordance with the instruction given by the Shareholder or at his/her discretion. If the Shareholders have correctly completed and returned the Revised Proxy Form not less than 48 hours before the time appointed for holding the AGM or any adjourned meeting, the Revised Proxy Form shall supersede and replace the Original Proxy Form previously returned by the Shareholders.

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(2) If Shareholders have not completed and returned the Original Proxy Form and wish to attend the AGM by proxy, the Shareholders are required to complete and return the Revised Proxy Form, together with the power of attorney (if any) or other authority (if any) under which it is signed, or a notarially certified copy thereof, to the Company's Hong Kong branch share registrar, Tricor Investor Services Limited at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong in accordance with the instructions printed thereon not less than 48 hours before the time appointed for holding of the AGM or any adjourned meeting.

By order of the Board

HBM Holdings Limited

Dr. Jingsong Wang

Chairman and Executive Director

Hong Kong, 24 April 2025

As at the date of this announcement, the board of directors of the Company comprises Dr. Jingsong Wang and Dr. Yiping Rong as executive Directors; Dr. Robert Irwin Kamen, Dr. Xiaoping Ye, Dr. Albert R. Collinson and Ms. Weiwei Chen as independent non-executive Directors.

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